Base | Representation |
---|---|
bin | 1000001100111… |
… | …10111101010100 |
3 | 11210110211120011 |
4 | 10012132331110 |
5 | 120103333112 |
6 | 10454450004 |
7 | 1463601652 |
oct | 406367524 |
9 | 153424504 |
10 | 68808532 |
11 | 35927961 |
12 | 1b063904 |
13 | 11342410 |
14 | 91d1dd2 |
15 | 6092aa7 |
hex | 419ef54 |
68808532 has 48 divisors (see below), whose sum is σ = 135757440. Its totient is φ = 30296448.
The previous prime is 68808529. The next prime is 68808541. The reversal of 68808532 is 23580886.
It is a super-2 number, since 2×688085322 = 9469228151990048, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155103 + ... + 155545.
It is an arithmetic number, because the mean of its divisors is an integer number (2828280).
Almost surely, 268808532 is an apocalyptic number.
It is an amenable number.
68808532 is a deficient number, since it is larger than the sum of its proper divisors (66948908).
68808532 is a wasteful number, since it uses less digits than its factorization.
68808532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592 (or 590 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 40.
The square root of 68808532 is about 8295.0908373568. The cubic root of 68808532 is about 409.7768605352.
The spelling of 68808532 in words is "sixty-eight million, eight hundred eight thousand, five hundred thirty-two".
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